fr.esrf.tangoatk.widget.util.chart
Class JLDataView

java.lang.Object
  fr.esrf.tangoatk.widget.util.chart.JLDataView

All Implemented Interfaces:

java.io.Serializable

public class JLDataView
extends java.lang.Object
implements java.io.Serializable

A class to handle data view. It handles data and all graphics stuff related to a serie of data.

See Also:

Serialized Form

Field Summary

static int	FILL_STYLE_DOT_PATTERN_1 Hatch fill style
static int	FILL_STYLE_DOT_PATTERN_2 Hatch fill style
static int	FILL_STYLE_DOT_PATTERN_3 Hatch fill style
static int	FILL_STYLE_LARGE_CROSS_HATCH Hatch fill style
static int	FILL_STYLE_LARGE_LEFT_HATCH Hatch fill style
static int	FILL_STYLE_LARGE_RIGHT_HATCH Hatch fill style
static int	FILL_STYLE_NONE No filling
static int	FILL_STYLE_SMALL_CROSS_HATCH Hatch fill style
static int	FILL_STYLE_SMALL_LEFT_HATCH Hatch fill style
static int	FILL_STYLE_SMALL_RIGHT_HATCH Hatch fill style
static int	FILL_STYLE_SOLID Solid fill style
static int	INTERPOLATE_COSINE Cosine interpolation method
static int	INTERPOLATE_CUBIC
static int	INTERPOLATE_HERMITE
static int	INTERPOLATE_LINEAR Linear interpolation method
static int	INTERPOLATE_NONE No interpolation
static int	MARKER_BOX Display a box for each point of the view
static int	MARKER_CIRCLE Display a circle for each point of the view
static int	MARKER_CROSS Display a cross for each point of the view
static int	MARKER_DIAMOND Display a diamond for each point of the view
static int	MARKER_DOT Display a dot for each point of the view
static int	MARKER_HORIZ_LINE Display an horizontal line for each point of the view
static int	MARKER_NONE No marker displayed
static int	MARKER_SQUARE Display a square for each point of the view
static int	MARKER_STAR Display a start for each point of the view
static int	MARKER_TRIANGLE Display a triangle for each point of the view
static int	MARKER_VERT_LINE Display a vertical line for each point of the view
static int	MATH_DERIVATIVE Derivative operation
static int	MATH_FFT_MODULUS FFT (modulus) operation
static int	MATH_FFT_PHASE FFT (phase) operation
static int	MATH_INTEGRAL Integral operation
static int	MATH_NONE No mathematical operation
static int	METHOD_FILL_FROM_BOTTOM Fill curve and bar from the bottom of the graph
static int	METHOD_FILL_FROM_TOP Fill curve and bar from the top of the graph
static int	METHOD_FILL_FROM_ZERO Fill curve and bar from zero position (on Yaxis)
static double	NAN_FOR_NEGATIVE_INFINITY NaN value used with y to represent a negative infinity value
static double	NAN_FOR_NULL NaN value used with y to represent a null value
static double	NAN_FOR_POSITIVE_INFINITY NaN value used with y to represent a positive infinity value
static int	SMOOTH_EXT_FLAT flat smoothing extrapolation (duplicate last and end value)
static int	SMOOTH_EXT_LINEAR Linear smoothing extrapolation (linear extrapolation)
static int	SMOOTH_EXT_NONE No smoothing extrapolation
static int	SMOOTH_FLAT Flat smoothing (Flat shape)
static int	SMOOTH_GAUSSIAN Gaussian smoothing (Gaussian shape)
static int	SMOOTH_NONE No smoothing
static int	SMOOTH_TRIANGULAR Linear smoothing (Triangular shape)
static int	STYLE_DASH Dash line style
static int	STYLE_DASH_DOT Dash + Dot line style
static int	STYLE_DOT Dot line style
static int	STYLE_LONG_DASH Long Dash line style
static int	STYLE_SOLID Solid line style
static int	TYPE_BAR BarGraph style
static int	TYPE_LINE Line style
protected boolean	xDataSorted

Constructor Summary

JLDataView()
DataView constructor.

Method Summary

void	add(double x, double y) Add datum to the dataview.
void	add(double x, double y, boolean updateFilter) Add datum to the dataview.
void	add(java.awt.geom.Point2D.Double p) Add datum to the dataview.
void	applyConfiguration(java.lang.String prefix, CfFileReader f) Apply dataview configuration.
void	commitChange() Commit change when some data has been in modified in the DataList (via getData())
void	computeDataBounds() Computes and stores min and max on x and y
double	computePositiveMin() Compute minimun of positive value.
double[]	computeTransformedMinMax() Expert usage.
java.lang.String	formatValue(double v) Format the given value according the userFormat or to the Axis format.
void	garbagePointLimit(int garbageLimit) Garbage old data according to data length.
int	garbagePointTime(double garbageLimit) Garbage old data according to time.
double	getA0() Gets the A0 transformation coeficient.
double	getA1() Gets the A1 transformation coeficient.
double	getA2() Gets the A2 transformation coeficient.
JLAxis	getAxis() Expert usage.
int	getBarWidth() Gets the bar width.
java.awt.Color	getColor() Gets the curve color.
java.lang.String	getConfiguration(java.lang.String prefix) Build a configuration string that can be write into a file and is compatible with CfFileReader.
DataList	getData() Return a handle on the data.
int	getDataLength() Gets the number of data in this view.
double[][]	getDataSortedByTimes()
double[][]	getDataSortedByValues()
java.lang.String	getExtendedName() Gets the extended name.
java.awt.Color	getFillColor() Gets the filling color.
int	getFillMethod() Gets the current filling style.
int	getFillStyle() Gets the current filling style.
static java.lang.String	getHelpString() Returns a string containing the configuration file help.
double	getHermiteBias() Set the Hermite interpolation bias coefficient.
double	getHermiteTension() Get the Hermite interpolation tension coefficient
int	getInterpolationMethod() Return current interpolation mode.
int	getInterpolationStep() Returns the interpolation step.
java.awt.Color	getLabelColor()
DataList	getLastValue() Get last value.
int	getLineWidth() Gets the line width.
int	getMarker() Gets the marker type.
java.awt.Color	getMarkerColor() Gets the marker color.
int	getMarkerSize() Gets the marker size.
int	getMathFunction() Returns the current math function.
double	getMaximum() Expert usage.
double	getMaxTime() Expert usage.
double	getMaxXValue() Expert usage.
double	getMinimum() Expert usage.
double	getMinTime() Expert usage.
double	getMinXValue() Expert usage.
java.lang.String	getName() Gets the view name.
double	getPositiveMinTime() Expert usage.
double	getPositiveMinXValue() Expert usage.
int	getSmoothingExtrapolation() Returns the extrapolation method used in smoothing operation.
double	getSmoothingGaussSigma() Return the standard deviation of the gaussian (Smoothing filter).
int	getSmoothingMethod() Return the smoothing method.
int	getSmoothingNeighbors() Sets number of neighbors for smoothing
double[]	getSortedTimes()
double[]	getSortedValues()
int	getStyle() Gets the line style.
double	getTransformedValue(double x) Compute transformed value of x.
java.lang.String	getUnit() Gets the dataView unit.
java.lang.String	getUserFormat() Returns the current user format (null when none).
int	getViewType() Gets view type.
double	getXValueByIndex(int idx) Returns X value according to index.
double	getYValueByIndex(int idx) Returns Y value according to index.
boolean	hasFilter() Determines wether this view is affected by a transform.
boolean	hasTransform() Determines wether this views has a transformation.
boolean	isClickable() Returns the clickable state.
boolean	isFill() Provided for backward compatibility.
boolean	isLabelVisible() Returns true when the label is visible.
boolean	isValidFormat(java.lang.String format) Tests whether a given format is valid or not
boolean	isXDataSorted() Returns whether data is supposed to be sorted on x or not
static void	mergeSort(double[] array, double[] associated) Applies merge sort on an array of double.
void	reset() Clear all data in this view.
void	setA0(double d) Set A0 transformation coeficient.
void	setA1(double d) Set A1 transformation coeficient.
void	setA2(double d) Set A2 transformation coeficient.
void	setAxis(JLAxis a) Expert usage.
void	setBarWidth(int w) Sets the width of the bar in pixel (Bar graph mode).
void	setClickable(boolean b) Sets this view clickable or not.
void	setColor(java.awt.Color c) Sets the color of the curve.
void	setData(double[] x, double[] y) Set data of this dataview.
void	setFill(boolean b) Provided for backward compatibility.
void	setFillColor(java.awt.Color c) Sets the filling color of this dataView.
void	setFillMethod(int m) Sets the filling method for this view.
void	setFillStyle(int b) Sets the filling style of this view.
void	setHermiteBias(double bias) Set the Hermite interpolation bias coefficient.
void	setHermiteTension(double tension) Set the Hermite interpolation tension coefficient
void	setInterpolationMethod(int method) Set an interpolation on this dataview using the specified method.
void	setInterpolationStep(int step) Sets the interpolation step
void	setLabelColor(java.awt.Color labelColor)
void	setLabelVisible(boolean b) Display the label of this view when true.
void	setLineWidth(int c) Sets the line width (pixel).
void	setMarker(int m) Sets the marker type.
void	setMarkerColor(java.awt.Color c) Sets the marker color.
void	setMarkerSize(int c) Sets the marker size (pixel).
void	setMathFunction(int function) Sets a mathematical function
void	setName(java.lang.String s) Sets the view name.
void	setSmoothingExtrapolation(int extMode) Sets the extrapolation method used in smoothing operation
void	setSmoothingGaussSigma(double sigma) Sets the standard deviation of the gaussian (Smoothing filter).
void	setSmoothingMethod(int method) Sets the smoothing method (Convolution product).
void	setSmoothingNeighbors(int n) Sets number of neighbors for smoothing
void	setStyle(int c) Set the plot line style.
void	setUnit(java.lang.String s) Set the dataView unit.
void	setUnorderedData(double[] x, double[] y) Set data of this dataview and order value according to the x value
void	setUserFormat(java.lang.String format) Sets the format property for this dataview (C format).
void	setViewType(int s) Sets the graph type (Line or BarGraph).
void	setXDataSorted(boolean dataSorted) Set whether data is supposed to be sorted on x or not.
void	updateFilters() Update filter calulation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MARKER_NONE

public static final int MARKER_NONE

No marker displayed

See Also:

Constant Field Values

MARKER_DOT

public static final int MARKER_DOT

Display a dot for each point of the view

See Also:

Constant Field Values

MARKER_BOX

public static final int MARKER_BOX

Display a box for each point of the view

See Also:

Constant Field Values

MARKER_TRIANGLE

public static final int MARKER_TRIANGLE

Display a triangle for each point of the view

See Also:

Constant Field Values

MARKER_DIAMOND

public static final int MARKER_DIAMOND

Display a diamond for each point of the view

See Also:

Constant Field Values

MARKER_STAR

public static final int MARKER_STAR

Display a start for each point of the view

See Also:

Constant Field Values

MARKER_VERT_LINE

public static final int MARKER_VERT_LINE

Display a vertical line for each point of the view

See Also:

Constant Field Values

MARKER_HORIZ_LINE

public static final int MARKER_HORIZ_LINE

Display an horizontal line for each point of the view

See Also:

Constant Field Values

MARKER_CROSS

public static final int MARKER_CROSS

Display a cross for each point of the view

See Also:

Constant Field Values

MARKER_CIRCLE

public static final int MARKER_CIRCLE

Display a circle for each point of the view

See Also:

Constant Field Values

MARKER_SQUARE

public static final int MARKER_SQUARE

Display a square for each point of the view

See Also:

Constant Field Values

STYLE_SOLID

public static final int STYLE_SOLID

Solid line style

See Also:

Constant Field Values

STYLE_DOT

public static final int STYLE_DOT

Dot line style

See Also:

Constant Field Values

STYLE_DASH

public static final int STYLE_DASH

Dash line style

See Also:

Constant Field Values

STYLE_LONG_DASH

public static final int STYLE_LONG_DASH

Long Dash line style

See Also:

Constant Field Values

STYLE_DASH_DOT

public static final int STYLE_DASH_DOT

Dash + Dot line style

See Also:

Constant Field Values

TYPE_LINE

public static final int TYPE_LINE

Line style

See Also:

Constant Field Values

TYPE_BAR

public static final int TYPE_BAR

BarGraph style

See Also:

Constant Field Values

METHOD_FILL_FROM_TOP

public static final int METHOD_FILL_FROM_TOP

Fill curve and bar from the top of the graph

See Also:

Constant Field Values

METHOD_FILL_FROM_ZERO

public static final int METHOD_FILL_FROM_ZERO

Fill curve and bar from zero position (on Yaxis)

See Also:

Constant Field Values

METHOD_FILL_FROM_BOTTOM

public static final int METHOD_FILL_FROM_BOTTOM

Fill curve and bar from the bottom of the graph

See Also:

Constant Field Values

FILL_STYLE_NONE

public static final int FILL_STYLE_NONE

No filling

See Also:

Constant Field Values

FILL_STYLE_SOLID

public static final int FILL_STYLE_SOLID

Solid fill style

See Also:

Constant Field Values

FILL_STYLE_LARGE_RIGHT_HATCH

public static final int FILL_STYLE_LARGE_RIGHT_HATCH

Hatch fill style

See Also:

Constant Field Values

FILL_STYLE_LARGE_LEFT_HATCH

public static final int FILL_STYLE_LARGE_LEFT_HATCH

Hatch fill style

See Also:

Constant Field Values

FILL_STYLE_LARGE_CROSS_HATCH

public static final int FILL_STYLE_LARGE_CROSS_HATCH

Hatch fill style

See Also:

Constant Field Values

FILL_STYLE_SMALL_RIGHT_HATCH

public static final int FILL_STYLE_SMALL_RIGHT_HATCH

Hatch fill style

See Also:

Constant Field Values

FILL_STYLE_SMALL_LEFT_HATCH

public static final int FILL_STYLE_SMALL_LEFT_HATCH

Hatch fill style

See Also:

Constant Field Values

FILL_STYLE_SMALL_CROSS_HATCH

public static final int FILL_STYLE_SMALL_CROSS_HATCH

Hatch fill style

See Also:

Constant Field Values

FILL_STYLE_DOT_PATTERN_1

public static final int FILL_STYLE_DOT_PATTERN_1

Hatch fill style

See Also:

Constant Field Values

FILL_STYLE_DOT_PATTERN_2

public static final int FILL_STYLE_DOT_PATTERN_2

Hatch fill style

See Also:

Constant Field Values

FILL_STYLE_DOT_PATTERN_3

public static final int FILL_STYLE_DOT_PATTERN_3

Hatch fill style

See Also:

Constant Field Values

NAN_FOR_NULL

public static final double NAN_FOR_NULL

NaN value used with y to represent a null value

NAN_FOR_POSITIVE_INFINITY

public static final double NAN_FOR_POSITIVE_INFINITY

NaN value used with y to represent a positive infinity value

NAN_FOR_NEGATIVE_INFINITY

public static final double NAN_FOR_NEGATIVE_INFINITY

NaN value used with y to represent a negative infinity value

INTERPOLATE_NONE

public static final int INTERPOLATE_NONE

No interpolation

See Also:

Constant Field Values

INTERPOLATE_LINEAR

public static final int INTERPOLATE_LINEAR

Linear interpolation method

See Also:

Constant Field Values

INTERPOLATE_COSINE

public static final int INTERPOLATE_COSINE

Cosine interpolation method

See Also:

Constant Field Values

INTERPOLATE_CUBIC

public static final int INTERPOLATE_CUBIC

See Also:

Constant Field Values

INTERPOLATE_HERMITE

public static final int INTERPOLATE_HERMITE

See Also:

Constant Field Values

SMOOTH_NONE

public static final int SMOOTH_NONE

No smoothing

See Also:

Constant Field Values

SMOOTH_FLAT

public static final int SMOOTH_FLAT

Flat smoothing (Flat shape)

See Also:

Constant Field Values

SMOOTH_TRIANGULAR

public static final int SMOOTH_TRIANGULAR

Linear smoothing (Triangular shape)

See Also:

Constant Field Values

SMOOTH_GAUSSIAN

public static final int SMOOTH_GAUSSIAN

Gaussian smoothing (Gaussian shape)

See Also:

Constant Field Values

SMOOTH_EXT_NONE

public static final int SMOOTH_EXT_NONE

No smoothing extrapolation

See Also:

Constant Field Values

SMOOTH_EXT_FLAT

public static final int SMOOTH_EXT_FLAT

flat smoothing extrapolation (duplicate last and end value)

See Also:

Constant Field Values

SMOOTH_EXT_LINEAR

public static final int SMOOTH_EXT_LINEAR

Linear smoothing extrapolation (linear extrapolation)

See Also:

Constant Field Values

MATH_NONE

public static final int MATH_NONE

No mathematical operation

See Also:

Constant Field Values

MATH_DERIVATIVE

public static final int MATH_DERIVATIVE

Derivative operation

See Also:

Constant Field Values

MATH_INTEGRAL

public static final int MATH_INTEGRAL

Integral operation

See Also:

Constant Field Values

MATH_FFT_MODULUS

public static final int MATH_FFT_MODULUS

FFT (modulus) operation

See Also:

Constant Field Values

MATH_FFT_PHASE

public static final int MATH_FFT_PHASE

FFT (phase) operation

See Also:

Constant Field Values

xDataSorted

protected boolean xDataSorted

Constructor Detail

JLDataView

public JLDataView()

DataView constructor.

Method Detail

getHelpString

public static java.lang.String getHelpString()

Returns a string containing the configuration file help.

setViewType

public void setViewType(int s)

Sets the graph type (Line or BarGraph).

Parameters:

s - Type of graph

See Also:

TYPE_LINE, TYPE_BAR

getViewType

public int getViewType()

Gets view type.

Returns:

View type

See Also:

setViewType(int)

setFillStyle

public void setFillStyle(int b)

Sets the filling style of this view.

Parameters:

b - Filling style

See Also:

FILL_STYLE_NONE, FILL_STYLE_SOLID, FILL_STYLE_LARGE_RIGHT_HATCH, FILL_STYLE_LARGE_LEFT_HATCH, FILL_STYLE_LARGE_CROSS_HATCH, FILL_STYLE_SMALL_RIGHT_HATCH, FILL_STYLE_SMALL_LEFT_HATCH, FILL_STYLE_SMALL_CROSS_HATCH, FILL_STYLE_DOT_PATTERN_1, FILL_STYLE_DOT_PATTERN_2, FILL_STYLE_DOT_PATTERN_3

getFillStyle

public int getFillStyle()

Gets the current filling style.

Returns:

Filling style

See Also:

setFillStyle(int)

setFillMethod

public void setFillMethod(int m)

Sets the filling method for this view.

Parameters:

m - Filling method

See Also:

METHOD_FILL_FROM_TOP, METHOD_FILL_FROM_ZERO, METHOD_FILL_FROM_BOTTOM

getFillMethod

public int getFillMethod()

Gets the current filling style.

Returns:

Filling method

See Also:

setFillMethod(int)

setFillColor

public void setFillColor(java.awt.Color c)

Sets the filling color of this dataView.

Parameters:

c - Filling color

See Also:

getFillColor()

getFillColor

public java.awt.Color getFillColor()

Gets the filling color.

Returns:

Filling color

See Also:

setFillColor(java.awt.Color)

setColor

public void setColor(java.awt.Color c)

Sets the color of the curve.

Parameters:

c - Curve color

See Also:

getColor()

getColor

public java.awt.Color getColor()

Gets the curve color.

Returns:

Curve color

See Also:

setColor(java.awt.Color)

isFill

public boolean isFill()

Provided for backward compatibility.

Returns:

true if the view is filled, false otherwise

See Also:

setFillStyle(int)

setFill

public void setFill(boolean b)

Provided for backward compatibility.

Parameters:

b - true if the view is filled, false otherwise

See Also:

setFillStyle(int)

setClickable

public void setClickable(boolean b)

Sets this view clickable or not. When set to false, this view is excluded from the search that occurs when the user click on the chart. Default is true.

Parameters:

b - Clickable state

isClickable

public boolean isClickable()

Returns the clickable state.

See Also:

setClickable(boolean)

setLabelVisible

public void setLabelVisible(boolean b)

Display the label of this view when true. This has effects only if the parent chart has visible labels.

Parameters:

b - visible state

See Also:

JLChart.setLabelVisible(boolean)

isLabelVisible

public boolean isLabelVisible()

Returns true when the label is visible.

See Also:

setLabelVisible(boolean)

getLabelColor

public java.awt.Color getLabelColor()

setLabelColor

public void setLabelColor(java.awt.Color labelColor)

setInterpolationMethod

public void setInterpolationMethod(int method)

Set an interpolation on this dataview using the specified method. (Cubic interpolation requires constant x interval)

Parameters:

method - Interpolation method

See Also:

INTERPOLATE_NONE, INTERPOLATE_LINEAR, INTERPOLATE_COSINE, INTERPOLATE_CUBIC, INTERPOLATE_HERMITE

getInterpolationMethod

public int getInterpolationMethod()

Return current interpolation mode.

See Also:

setInterpolationMethod(int)

setInterpolationStep

public void setInterpolationStep(int step)

Sets the interpolation step

Parameters:

step - Interpolation step (must be >=2)

See Also:

setInterpolationMethod(int)

getInterpolationStep

public int getInterpolationStep()

Returns the interpolation step.

See Also:

setInterpolationStep(int)

setHermiteTension

public void setHermiteTension(double tension)

Set the Hermite interpolation tension coefficient

Parameters:

tension - Hermite interpolation tension coefficient (1=>high, 0=>normal, -1=>low)

getHermiteTension

public double getHermiteTension()

Get the Hermite interpolation tension coefficient

See Also:

setHermiteTension(double)

setHermiteBias

public void setHermiteBias(double bias)

Set the Hermite interpolation bias coefficient. 0 for no bias, positive value towards first segment, negative value towards the others.

Parameters:

bias - Hermite interpolation bias coefficient

getHermiteBias

public double getHermiteBias()

Set the Hermite interpolation bias coefficient.

setSmoothingMethod

public void setSmoothingMethod(int method)

Sets the smoothing method (Convolution product). Requires constant x intervals.

Parameters:

method - Smoothing filer type

See Also:

SMOOTH_NONE, SMOOTH_FLAT, SMOOTH_TRIANGULAR, SMOOTH_GAUSSIAN

getSmoothingMethod

public int getSmoothingMethod()

Return the smoothing method.

See Also:

setSmoothingMethod(int)

setSmoothingNeighbors

public void setSmoothingNeighbors(int n)

Sets number of neighbors for smoothing

Parameters:

n - Number of neighbors (Must be >=2)

getSmoothingNeighbors

public int getSmoothingNeighbors()

Sets number of neighbors for smoothing

See Also:

setSmoothingNeighbors(int)

setSmoothingGaussSigma

public void setSmoothingGaussSigma(double sigma)

Sets the standard deviation of the gaussian (Smoothing filter).

Parameters:

sigma - Standard deviation

See Also:

setSmoothingMethod(int)

getSmoothingGaussSigma

public double getSmoothingGaussSigma()

Return the standard deviation of the gaussian (Smoothing filter).

See Also:

setSmoothingMethod(int)

setSmoothingExtrapolation

public void setSmoothingExtrapolation(int extMode)

Sets the extrapolation method used in smoothing operation

Parameters:

extMode - Extrapolation mode

See Also:

SMOOTH_EXT_NONE, SMOOTH_EXT_FLAT, SMOOTH_EXT_LINEAR

getSmoothingExtrapolation

public int getSmoothingExtrapolation()

Returns the extrapolation method used in smoothing operation.

See Also:

setSmoothingExtrapolation(int)

setMathFunction

public void setMathFunction(int function)

Sets a mathematical function

Parameters:

function - Function

See Also:

MATH_NONE, MATH_DERIVATIVE, MATH_INTEGRAL, MATH_FFT_MODULUS, MATH_FFT_PHASE

getMathFunction

public int getMathFunction()

Returns the current math function.

See Also:

setMathFunction(int)

setBarWidth

public void setBarWidth(int w)

Sets the width of the bar in pixel (Bar graph mode). Pass 0 to have bar auto scaling.

Parameters:

w - Bar width (pixel)

See Also:

getBarWidth()

getBarWidth

public int getBarWidth()

Gets the bar width.

Returns:

Bar width (pixel)

See Also:

setBarWidth(int)

setMarkerColor

public void setMarkerColor(java.awt.Color c)

Sets the marker color.

Parameters:

c - Marker color

See Also:

getMarkerColor()

getMarkerColor

public java.awt.Color getMarkerColor()

Gets the marker color.

Returns:

Marker color

See Also:

setMarkerColor(java.awt.Color)

setStyle

public void setStyle(int c)

Set the plot line style.

Parameters:

c - Line style

See Also:

STYLE_SOLID, STYLE_DOT, STYLE_DASH, STYLE_LONG_DASH, STYLE_DASH_DOT, getStyle()

getMarkerSize

public int getMarkerSize()

Gets the marker size.

Returns:

Marker size (pixel)

See Also:

setMarkerSize(int)

setMarkerSize

public void setMarkerSize(int c)

Sets the marker size (pixel).

Parameters:

c - Marker size (pixel)

See Also:

getMarkerSize()

getStyle

public int getStyle()

Gets the line style.

Returns:

Line style

See Also:

setStyle(int)

getLineWidth

public int getLineWidth()

Gets the line width.

Returns:

Line width

See Also:

setLineWidth(int)

setLineWidth

public void setLineWidth(int c)

Sets the line width (pixel).

Parameters:

c - Line width (pixel)

See Also:

getLineWidth()

setName

public void setName(java.lang.String s)

Sets the view name.

Parameters:

s - Name of this view

See Also:

getName()

getName

public java.lang.String getName()

Gets the view name.

Returns:

Dataview name

See Also:

setName(java.lang.String)

setUnit

public void setUnit(java.lang.String s)

Set the dataView unit. (Used only for display)

Parameters:

s - Dataview unit.

See Also:

getUnit()

getUnit

public java.lang.String getUnit()

Gets the dataView unit.

Returns:

Dataview unit

See Also:

setUnit(java.lang.String)

getExtendedName

public java.lang.String getExtendedName()

Gets the extended name. (including transform description when used)

Returns:

Extended name of this view.

getMarker

public int getMarker()

Gets the marker type.

Returns:

Marker type

See Also:

setMarker(int)

setMarker

public void setMarker(int m)

Sets the marker type.

Parameters:

m - Marker type

See Also:

MARKER_NONE, MARKER_DOT, MARKER_BOX, MARKER_TRIANGLE, MARKER_DIAMOND, MARKER_STAR, MARKER_VERT_LINE, MARKER_HORIZ_LINE, MARKER_CROSS, MARKER_CIRCLE, MARKER_SQUARE

getA0

public double getA0()

Gets the A0 transformation coeficient.

Returns:

A0 value

See Also:

setA0(double)

getA1

public double getA1()

Gets the A1 transformation coeficient.

Returns:

A1 value

See Also:

setA1(double)

getA2

public double getA2()

Gets the A2 transformation coeficient.

Returns:

A2 value

See Also:

setA2(double)

setA0

public void setA0(double d)

Set A0 transformation coeficient. The transformation computes new value = A0 + A1*v + A2*v*v. Transformation is disabled when A0=A2=0 and A1=1.

Parameters:

d - A0 value

setA1

public void setA1(double d)

Set A1 transformation coeficient. The transformation computes new value = A0 + A1*v + A2*v*v. Transformation is disabled when A0=A2=0 and A1=1.

Parameters:

d - A1 value

setA2

public void setA2(double d)

Set A2 transformation coeficient. The transformation computes new value = A0 + A1*v + A2*v*v. Transformation is disabled when A0=A2=0 and A1=1.

Parameters:

d - A2 value

hasTransform

public boolean hasTransform()

Determines wether this views has a transformation.

Returns:

false when A0=A2=0 and A1=1, true otherwise

hasFilter

public boolean hasFilter()

Determines wether this view is affected by a transform.

Returns:

false when no filtering true otherwise.

See Also:

setInterpolationMethod(int), setSmoothingMethod(int), setMathFunction(int)

setAxis

public void setAxis(JLAxis a)

Expert usage. Sets the parent axis. ( Used by JLAxis.addDataView() )

Parameters:

a - Parent axis

getAxis

public JLAxis getAxis()

Expert usage. Gets the parent axis.

Returns:

Parent axis

getMinimum

public double getMinimum()

Expert usage. Gets the minimum (Y axis).

Returns:

Minimum value

getMaximum

public double getMaximum()

Expert usage. Gets the maximum (Y axis).

Returns:

Maximun value

getMinTime

public double getMinTime()

Expert usage. Gets the minimun on X axis (with TIME_ANNO).

Returns:

Minimum time

getMinXValue

public double getMinXValue()

Expert usage. Gets the minimum on X axis.

Returns:

Minimum x value

getPositiveMinXValue

public double getPositiveMinXValue()

Expert usage. Get the positive minimum on X axis.

Returns:

Minimum value strictly positive

getPositiveMinTime

public double getPositiveMinTime()

Expert usage. Get the positive minimum on X axis.

Returns:

Minimum value strictly positive

getMaxXValue

public double getMaxXValue()

Expert usage. Get the maximum on X axis

Returns:

Maximum x value

getMaxTime

public double getMaxTime()

Expert usage. Get the maxinmun on X axis (with TIME_ANNO)

Returns:

Maximum value

getDataLength

public int getDataLength()

Gets the number of data in this view.

Returns:

Data length

getData

public DataList getData()

Return a handle on the data. If you modify data, call commitChange() after the update. Expert usage.

Returns:

A handle to the data.

See Also:

commitChange()

commitChange

public void commitChange()

Commit change when some data has been in modified in the DataList (via getData())

See Also:

getData()

add

public void add(double x,
                double y)

Add datum to the dataview. If you call this routine directly the graph will be updated only after a repaint and your data won't be garbaged (if a display duration is specified). You should use JLChart.addData instead.

Parameters:

x - x coordinates (real space)

y - y coordinates (real space)

See Also:

JLChart.addData(fr.esrf.tangoatk.widget.util.chart.JLDataView, double, double), JLChart.setDisplayDuration(double)

add

public void add(double x,
                double y,
                boolean updateFilter)

Add datum to the dataview. If you call this routine directly the graph will be updated only after a repaint and your data won't be garbaged (if a display duration is specified). You should use JLChart.addData instead.

Parameters:

x - x coordinates (real space)

y - y coordinates (real space)

updateFilter - update filter flag.

See Also:

JLChart.addData(fr.esrf.tangoatk.widget.util.chart.JLDataView, double, double), JLChart.setDisplayDuration(double)

setData

public void setData(double[] x,
                    double[] y)

Set data of this dataview.

Parameters:

x - x values

y - y values

See Also:

add(double, double)

setUnorderedData

public void setUnorderedData(double[] x,
                             double[] y)

Set data of this dataview and order value according to the x value

Parameters:

x - x values

y - y values

See Also:

add(double, double)

add

public void add(java.awt.geom.Point2D.Double p)

Add datum to the dataview. If you call this routine directly the graph will be updated only after a repaint and your data won't be garbaged (if a display duration is specified). You should use JLChart.addData instead.

Parameters:

p - point (real space)

See Also:

JLChart.addData(fr.esrf.tangoatk.widget.util.chart.JLDataView, double, double), JLChart.setDisplayDuration(double)

garbagePointTime

public int garbagePointTime(double garbageLimit)

Garbage old data according to time.

Parameters:

garbageLimit - Limit time (in millisec)

Returns:

Number of deleted point.

garbagePointLimit

public void garbagePointLimit(int garbageLimit)

Garbage old data according to data length. It will remove the (dataLength-garbageLimit) first points.

Parameters:

garbageLimit - Index limit

computeDataBounds

public void computeDataBounds()

Computes and stores min and max on x and y

computeTransformedMinMax

public double[] computeTransformedMinMax()

Expert usage. Compute transformed min and max.

Returns:

Transformed min and max

computePositiveMin

public double computePositiveMin()

Compute minimun of positive value.

Returns:

Double.MAX_VALUE when no positive value are found

getTransformedValue

public double getTransformedValue(double x)

Compute transformed value of x.

Parameters:

x - Value to transform

Returns:

transformed value (through A0,A1,A2 transformation)

getLastValue

public DataList getLastValue()

Get last value.

Returns:

Last value

reset

public void reset()

Clear all data in this view.

applyConfiguration

public void applyConfiguration(java.lang.String prefix,
                               CfFileReader f)

Apply dataview configuration.

Parameters:

prefix - settings prefix

f - CfFileReader object wich contains dataview parametters

See Also:

JLChart.applyConfiguration(fr.esrf.tangoatk.widget.util.chart.CfFileReader), JLAxis.applyConfiguration(java.lang.String, fr.esrf.tangoatk.widget.util.chart.CfFileReader)

getConfiguration

public java.lang.String getConfiguration(java.lang.String prefix)

Build a configuration string that can be write into a file and is compatible with CfFileReader.

Parameters:

prefix - DataView prefix

Returns:

A string containing param.

See Also:

applyConfiguration(java.lang.String, fr.esrf.tangoatk.widget.util.chart.CfFileReader)

getYValueByIndex

public double getYValueByIndex(int idx)

Returns Y value according to index.

Parameters:

idx - Value index

Returns:

Y value

getXValueByIndex

public double getXValueByIndex(int idx)

Returns X value according to index.

Parameters:

idx - Value index

Returns:

X value

setUserFormat

public void setUserFormat(java.lang.String format)

Sets the format property for this dataview (C format). By default, it uses the Axis format.

Parameters:

format - Format (C style)

isValidFormat

public boolean isValidFormat(java.lang.String format)

Tests whether a given format is valid or not

Parameters:

format - the format to tests

Returns:

a boolean value : true if the format is valid, false otherwise.

getUserFormat

public java.lang.String getUserFormat()

Returns the current user format (null when none).

formatValue

public java.lang.String formatValue(double v)

Format the given value according the userFormat or to the Axis format.

Parameters:

v - Value to be formated

isXDataSorted

public boolean isXDataSorted()

Returns whether data is supposed to be sorted on x or not

Returns:

a boolean value

setXDataSorted

public void setXDataSorted(boolean dataSorted)

Set whether data is supposed to be sorted on x or not. false by default

Parameters:

dataSorted - a boolean value

getSortedTimes

public double[] getSortedTimes()

getSortedValues

public double[] getSortedValues()

getDataSortedByTimes

public double[][] getDataSortedByTimes()

getDataSortedByValues

public double[][] getDataSortedByValues()

mergeSort

public static void mergeSort(double[] array,
                             double[] associated)

Applies merge sort on an array of double. If an associated array is given, its elements are moved the same way as the array to sort.

Parameters:

array - The array to sort

associated - The associated array. Must be null or of the same length of array

updateFilters

public void updateFilters()

Update filter calulation. Call this function if you're using the add(x,y,false) mehtod.